diff --git a/module/project/lang/de.php b/module/project/lang/de.php
index 1b6c0b5fed..df819c1629 100644
--- a/module/project/lang/de.php
+++ b/module/project/lang/de.php
@@ -419,8 +419,8 @@ $lang->project->cannotCancelCat      = "There are child {$lang->projectCommon}s
 $lang->project->parentBeginEnd       = "The begin and end date of the parent {$lang->projectCommon}: %s ~ %s";
 $lang->project->parentBudget         = "The budget of the parent program: ";
 
-$lang->project->beginLessThanParent     = "The start date of the {$lang->projectCommon} is < the start date of the parent program:";
-$lang->project->endGreatThanParent      = "The finish date of the {$lang->projectCommon} is > the finish date of the parent program:";
+$lang->project->beginLessThanParent     = "The start date of the {$lang->projectCommon} is < the start date of the parent program: <strong class='parentBegin'></strong>. ";
+$lang->project->endGreatThanParent      = "The finish date of the {$lang->projectCommon} is > the finish date of the parent program: <strong class='parentEnd'></strong>. ";
 $lang->project->dateExceedParent        = "The start and finish date of the {$lang->projectCommon} was > the start and finish date of the parent program:";
 $lang->project->beginGreatEqualChild    = "The start date of the {$lang->projectCommon} should be ≥ the start date of program: %s.";
 $lang->project->endLessThanChild        = "The finish date of the {$lang->projectCommon} should be ≤ the finish date of program: %s.";
diff --git a/module/project/lang/en.php b/module/project/lang/en.php
index 243cc4f6ac..78595144c9 100644
--- a/module/project/lang/en.php
+++ b/module/project/lang/en.php
@@ -423,8 +423,8 @@ $lang->project->cannotCancelCat      = "There are child {$lang->projectCommon}s
 $lang->project->parentBeginEnd       = "The begin and end date of the parent {$lang->projectCommon}: %s ~ %s";
 $lang->project->parentBudget         = "The budget of the parent program: ";
 
-$lang->project->beginLessThanParent     = "The start date of the {$lang->projectCommon} is < the start date of the parent program:";
-$lang->project->endGreatThanParent      = "The finish date of the {$lang->projectCommon} is > the finish date of the parent program:";
+$lang->project->beginLessThanParent     = "The start date of the {$lang->projectCommon} is < the start date of the parent program: <strong class='parentBegin'></strong>. ";
+$lang->project->endGreatThanParent      = "The finish date of the {$lang->projectCommon} is > the finish date of the parent program: <strong class='parentEnd'></strong>. ";
 $lang->project->dateExceedParent        = "The start and finish date of the {$lang->projectCommon} was > the start and finish date of the parent program:";
 $lang->project->beginGreatEqualChild    = "The start date of the {$lang->projectCommon} should be ≥ the start date of program: %s.";
 $lang->project->endLessThanChild        = "The finish date of the {$lang->projectCommon} should be ≤ the finish date of program: %s.";
diff --git a/module/project/lang/fr.php b/module/project/lang/fr.php
index 1b6c0b5fed..df819c1629 100644
--- a/module/project/lang/fr.php
+++ b/module/project/lang/fr.php
@@ -419,8 +419,8 @@ $lang->project->cannotCancelCat      = "There are child {$lang->projectCommon}s
 $lang->project->parentBeginEnd       = "The begin and end date of the parent {$lang->projectCommon}: %s ~ %s";
 $lang->project->parentBudget         = "The budget of the parent program: ";
 
-$lang->project->beginLessThanParent     = "The start date of the {$lang->projectCommon} is < the start date of the parent program:";
-$lang->project->endGreatThanParent      = "The finish date of the {$lang->projectCommon} is > the finish date of the parent program:";
+$lang->project->beginLessThanParent     = "The start date of the {$lang->projectCommon} is < the start date of the parent program: <strong class='parentBegin'></strong>. ";
+$lang->project->endGreatThanParent      = "The finish date of the {$lang->projectCommon} is > the finish date of the parent program: <strong class='parentEnd'></strong>. ";
 $lang->project->dateExceedParent        = "The start and finish date of the {$lang->projectCommon} was > the start and finish date of the parent program:";
 $lang->project->beginGreatEqualChild    = "The start date of the {$lang->projectCommon} should be ≥ the start date of program: %s.";
 $lang->project->endLessThanChild        = "The finish date of the {$lang->projectCommon} should be ≤ the finish date of program: %s.";
diff --git a/module/project/lang/zh-cn.php b/module/project/lang/zh-cn.php
index 4a3ff7b05d..a8bb03385d 100644
--- a/module/project/lang/zh-cn.php
+++ b/module/project/lang/zh-cn.php
@@ -423,8 +423,8 @@ $lang->project->cannotCancelCat      = "该{$lang->projectCommon}下已经有子
 $lang->project->parentBeginEnd       = "父{$lang->projectCommon}起止时间：%s ~ %s";
 $lang->project->parentBudget         = "父项目集预算：";
 
-$lang->project->beginLessThanParent     = "{$lang->projectCommon}的开始日期小于了父项目集的开始日期：";
-$lang->project->endGreatThanParent      = "{$lang->projectCommon}的完成日期大于了父项目集的完成日期：";
+$lang->project->beginLessThanParent     = "{$lang->projectCommon}的开始日期小于了父项目集的开始日期：<strong class='parentBegin'></strong>。";
+$lang->project->endGreatThanParent      = "{$lang->projectCommon}的完成日期大于了父项目集的完成日期：<strong class='parentEnd'></strong>。";
 $lang->project->dateExceedParent        = "{$lang->projectCommon}的起止日期已超出父项目集的起止日期：";
 $lang->project->beginGreatEqualChild    = "{$lang->projectCommon}的开始日期应大于等于项目集的最小开始日期：%s";
 $lang->project->endLessThanChild        = "{$lang->projectCommon}的完成日期应小于等于项目集的最大完成日期：%s";